Includes guidelines for Fluid Catalytic Cracking Unit (FCCU) slide valves and vapor depressurizing systems. Critical Sections of the Document
Guidelines for choosing the right valve body and trim (e.g., 300 series stainless steel) based on the specific refinery service. api 553 pdf
Detailed requirements for positioners, limit switches, solenoids, and handwheels. Includes guidelines for Fluid Catalytic Cracking Unit (FCCU)
Based on the table of contents, the is structured to guide engineers through the entire lifecycle of a valve: api 553 pdf
It superseded the 1998 edition, which was titled "Refinery Control Valves". Key Technical Scope